.logo img{
	width:8%;
	padding-left: 20px;
	
}
h2{color: green;}
h3{color: seagreen;}
.main img{width: 90%;}
.main p{text-align: center;
font-size: 30px;}
.yemian img{width: 90%;padding-left: 50px;}
.yemian p{text-align: center;
font-size: 30px;}
footer{
	text-align: center;
	color: grey;
	background-color: #d5d5d5;
	height: 80px;
	padding-top: 30px;
	margin-top: 20px;
}
.lianxi{font-size: 13px;}